Across
- 3. major industry using the lakes for transportation
- 6. Biggest lake of the Great Lakes
- 8. A type of pollution
- 9. A way of pollution including rain
- 10. Lake east of Michigan
- 11. Lake farthest east
- 12. body of water
- 14. The animals that don't belong in the lakes
- 15. North of all the Great Lakes
Down
- 1. River flowing out of Lake Ontario
- 2. Lake that borders Chicago
- 4. Waterway connecting Lake Erie to Lake Ontario
- 5. The biggest lakes in America
- 7. the things that make the lakes gross
- 13. The type of water in the lakes